<template>
    <div class="login_container">
        <div class="login_box">
            <!-- 头像 -->
            <div class="avatar_box">
                <img src="../assets/logo.png" alt="">
            </div>
            <!-- 登录表单 -->
            <el-form label-width="0px" class="login_form" ref="loginFormRef" :rules="loginFormRules" :model="loginForm">
                <!-- 用户名 -->
                <el-form-item prop="username">
                    <el-input v-model="loginForm.username" prefix-icon="iconfont icon-yonghu"></el-input>
                </el-form-item>
                <!-- 密码 -->
                <el-form-item prop="password">
                    <el-input v-model="loginForm.password" prefix-icon="iconfont icon-mima" type="password"></el-input>
                </el-form-item>
                <!-- 按钮 -->
                <el-form-item class="btns">
                    <el-button type="primary" @click="login">登录</el-button>
                    <el-button type="info" @click="resetLoginForm">重置</el-button>
                </el-form-item>
            </el-form>
        </div>
    </div>
</template>
<script>
export default {
    data(){
        return{
            //表单的登录
            loginForm:{
                username: '',
                password: ''
            },
            //表单的验证规则
            loginFormRules:{
                //用户名是否合法
                username:[
                    { required: true, message: "请输入用户名", trigger: 'blur' },
                    { min: 6, max: 20, message: '长度在6到20个字符', trigger: 'blur'}
                ],
                //密码是否合法
                password:[
                    { required: true, message: "请输入密码", trigger: 'blur' },
                    { min: 5, max: 15, message: '长度在5到15个字符', trigger: 'blur'}
                ]
            }
        }
    },
    methods:{
        //触发登录
        login:function(){
            //判断表单中是否有数据
            this.$refs.loginFormRef.validate(valid =>{
                if(!valid) return//没有数据 返回
                //有数据，获得数据，判断账号密码是否正确
                if(this.loginForm.username=="123456"&&this.loginForm.password=="123456"){
                    alert('登录成功')
                    //加载路由导航 跳转到home页面
                    this.$router.push("/home");
                }else{
                    alert('账号或密码错误')
                }
                
            })
        },
        //重置表单
        resetLoginForm(){
            this.$refs.loginFormRef.resetFields()
        }
    }
}
</script>
<style scoped>
.login_container{
    background-color: #2b4b6b;
    height: 100%;
}
.login_box{
    height: 300px;
    width: 450px;
    background-color: #fff;
    border-radius: 3px;
    position: absolute;
    left: 50%;
    top: 40%;
    transform: translate(-50%,-50%);
}
.btns{
    display: flex;
    justify-content: flex-end;
}
.login_form{
    position: absolute;
    bottom: 0;
    width: 100%;
    padding: 0 20px;
    box-sizing: border-box;
}
.avatar_box{
    height: 130px;
    width: 130px;
    border: 1px solid #eee;
    border-radius: 50%;
    padding: 10px;
    box-shadow: 0 0 10px #ddd;
    position: absolute;
    left: 50%;
    transform: translate(-50%,-50%);
    background-color: rgb(117, 106, 106);

}
.avatar_box img{
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background-color: #eee;
}

</style>
